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In recent years cloud computing is the subject of extensive research in the emerging field of information technology and has become a promising business.The reason behind this widespread interest is its abilityto increase the capacity and capability of enterprises,having no investment for new infrastructure,no software license requirement and no need of any training. Security concern is the main limitation factor in the growth of this new born technology.The secur-ity responsibilities of both,the provider and the consumer greatly differ between cloud service models.In this paper we discuss a variety of security risks,authentication issues,trust,and legal regularity in cloud environment with consumer perspective.Early research focused only on techni-cal and business consequences of cloud computing and ignored consumer perspective.There-fore,this paper discusses the consumer security and privacy preferences.